3 ms·
I think the proper method used by HVAC companies is called the manual J method. I found a simplified version below but the real thing involved a whole book. ht
by pkaye 4y ago
I think the proper method used by HVAC companies is called the manual J method. I found a simplified version below but the real thing involved a whole book.
https://www.indeed.com/career-advice/career-development/manual-j-calculation https://www.indeed.com/career-advice/career-development/manu...
- secabeen 4y agoThis page does the full Manual J, but it is challenging to do and understand. I used it to confirm the estimates that my installer did without a full J workup, and it was helpful. https://loadcalc.net/ https://loadcalc.net/